using (var stream1 = new FileStream(localFilePath1, FileMode.Open, FileAccess.Read))
{
    var uploadRequest1 = new UploadFileRequest(remoteFilePath1, stream1);
    storageApi.UploadFile(uploadRequest1);
}

using (var stream2 = new FileStream(localFilePath2, FileMode.Open, FileAccess.Read))
{
    var uploadRequest2 = new UploadFileRequest(remoteFilePath2, stream2);
    storageApi.UploadFile(uploadRequest2);
}

var compareOptions = new CompareOptions
{
    SourceFile = new FileInfo { FilePath = remoteFilePath1 },
    TargetFiles = new List<FileInfo>
    {
        new FileInfo { FilePath = remoteFilePath2 }
    },
    OutputPath = remoteResultPath,
    Settings = new Settings
    {
        GenerateSummaryPage = true,
        ShowDeletedContent = true,
        ShowInsertedContent = true
    }
};

var compareRequest = new CompareDocumentRequest(compareOptions);
var compareResult = compareApi.CompareDocument(compareRequest);

var downloadRequest = new DownloadFileRequest(compareResult.Path);
using (var resultStream = storageApi.DownloadFile(downloadRequest))
using (var fileStream = new FileStream(localResultPath, FileMode.Create, FileAccess.Write))
{
    resultStream.CopyTo(fileStream);
}

// Clean up
storageApi.DeleteFile(new DeleteFileRequest(remoteFilePath1));
storageApi.DeleteFile(new DeleteFileRequest(remoteFilePath2));
storageApi.DeleteFile(new DeleteFileRequest(remoteResultPath));

using System;
using System.Collections.Generic;
using System.IO;
using GroupDocs.Comparison.Cloud.Sdk.Api;
using GroupDocs.Comparison.Cloud.Sdk.Client;
using GroupDocs.Comparison.Cloud.Sdk.Model;
using GroupDocs.Comparison.Cloud.Sdk.Model.Requests;

namespace CompareExcelFilesExample
{
    class Program
    {
        static void Main(string[] args)
        {
            // Configuration – replace with your actual credentials
            var config = new Configuration
            {
                ClientId = "YOUR_CLIENT_ID",
                ClientSecret = "YOUR_CLIENT_SECRET"
            };

// APIs
            var compareApi = new CompareApi(config);
            var storageApi = new StorageApi(config);

// Local and remote file names
            string localFilePath1 = "sample1.xlsx";
            string localFilePath2 = "sample2.xlsx";
            string remoteFilePath1 = "sample1.xlsx";
            string remoteFilePath2 = "sample2.xlsx";
            string remoteResultPath = "result.xlsx";
            string localResultPath = "result.xlsx";

// Upload first Excel file
            using (var stream1 = new FileStream(localFilePath1, FileMode.Open, FileAccess.Read))
            {
                var uploadRequest1 = new UploadFileRequest(remoteFilePath1, stream1);
                storageApi.UploadFile(uploadRequest1);
            }

// Upload second Excel file
            using (var stream2 = new FileStream(localFilePath2, FileMode.Open, FileAccess.Read))
            {
                var uploadRequest2 = new UploadFileRequest(remoteFilePath2, stream2);
                storageApi.UploadFile(uploadRequest2);
            }

// Prepare comparison options
            var compareOptions = new CompareOptions
            {
                SourceFile = new FileInfo { FilePath = remoteFilePath1 },
                TargetFiles = new List<FileInfo>
                {
                    new FileInfo { FilePath = remoteFilePath2 }
                },
                OutputPath = remoteResultPath,
                Settings = new Settings
                {
                    // Example: show changes in a new sheet
                    GenerateSummaryPage = true,
                    ShowDeletedContent = true,
                    ShowInsertedContent = true
                }
            };

// Execute comparison
            var compareRequest = new CompareDocumentRequest(compareOptions);
            var compareResult = compareApi.CompareDocument(compareRequest);

// Download the result file
            var downloadRequest = new DownloadFileRequest(compareResult.Path);
            using (var resultStream = storageApi.DownloadFile(downloadRequest))
            using (var fileStream = new FileStream(localResultPath, FileMode.Create, FileAccess.Write))
            {
                resultStream.CopyTo(fileStream);
            }

// Optional: clean up remote files
            storageApi.DeleteFile(new DeleteFileRequest(remoteFilePath1));
            storageApi.DeleteFile(new DeleteFileRequest(remoteFilePath2));
            storageApi.DeleteFile(new DeleteFileRequest(remoteResultPath));

Console.WriteLine("Comparison completed. Result saved to " + localResultPath);
        }
    }
}

dotnet add package GroupDocs.Comparison-Cloud

dotnet add package GroupDocs.Comparison-Cloud

var config = new Configuration
{
    ClientId = "YOUR_CLIENT_ID",
    ClientSecret = "YOUR_CLIENT_SECRET"
};

var compareApi = new CompareApi(config);

var sourceFile = new FileInfo { FilePath = "input/source.xlsx" };
var targetFile = new FileInfo { FilePath = "input/target.xlsx" };

var compareOptions = new CompareOptions
{
    SourceFile = sourceFile,
    TargetFiles = new List<FileInfo> { targetFile },
    OutputPath = "output/diff_result.xlsx",
    Settings = new Settings
    {
        ShowDeletedContent = true,
        ShowInsertedContent = true,
        ShowStyleChanges = true,
        GenerateSummaryPage = true
    }
};

var compareResult = compareApi.Compare(compareOptions);
Console.WriteLine($"Comparison completed. Result file: {compareResult.Path}");
Console.WriteLine($"Number of changes detected: {compareResult.Changes?.Count ?? 0}");

var changesRequest = new GetChangesRequest
{
    SourceFile = sourceFile,
    TargetFile = targetFile,
    OutputPath = "output/detailed_changes.json"
};
var detailedChanges = compareApi.GetChanges(changesRequest);
Console.WriteLine($"Detailed changes saved to: {detailedChanges.Path}");

using System;
using System.Collections.Generic;
using GroupDocs.Comparison.Cloud.Sdk.Api;
using GroupDocs.Comparison.Cloud.Sdk.Client;
using GroupDocs.Comparison.Cloud.Sdk.Model;

namespace CompareExcelDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            // Set up API credentials (replace with your actual credentials)
            var config = new Configuration
            {
                ClientId = "YOUR_CLIENT_ID",
                ClientSecret = "YOUR_CLIENT_SECRET"
            };

// Initialize Compare API
            var compareApi = new CompareApi(config);

// Prepare source and target Excel files (must be uploaded to GroupDocs Cloud storage beforehand)
            var sourceFile = new FileInfo { FilePath = "input/source.xlsx" };
            var targetFile = new FileInfo { FilePath = "input/target.xlsx" };

// Define comparison options
            var compareOptions = new CompareOptions
            {
                SourceFile = sourceFile,
                TargetFiles = new List<FileInfo> { targetFile },
                OutputPath = "output/diff_result.xlsx",
                // Optional: specify that we want detailed changes for worksheets
                Settings = new Settings
                {
                    ShowDeletedContent = true,
                    ShowInsertedContent = true,
                    ShowStyleChanges = true,
                    GenerateSummaryPage = true
                }
            };

try
            {
                // Call the Compare API
                var compareResult = compareApi.Compare(compareOptions);

// Output basic result information
                Console.WriteLine($"Comparison completed. Result file: {compareResult.Path}");
                Console.WriteLine($"Number of changes detected: {compareResult.Changes?.Count ?? 0}");

// Iterate through change details
                if (compareResult.Changes != null)
                {
                    foreach (var change in compareResult.Changes)
                    {
                        Console.WriteLine("--------------------------------------------------");
                        Console.WriteLine($"Change Type   : {change.ChangeType}");
                        Console.WriteLine($"Worksheet     : {change.Worksheet}");
                        Console.WriteLine($"Cell Address  : {change.CellAddress}");
                        Console.WriteLine($"Old Value     : {change.OldValue}");
                        Console.WriteLine($"New Value     : {change.NewValue}");
                        Console.WriteLine($"Is New Row    : {change.IsNewRow}");
                        Console.WriteLine($"Is New Column : {change.IsNewColumn}");
                    }
                }

// Retrieve detailed changes via GetChanges (optional)
                var changesRequest = new GetChangesRequest
                {
                    SourceFile = sourceFile,
                    TargetFile = targetFile,
                    OutputPath = "output/detailed_changes.json"
                };
                var detailedChanges = compareApi.GetChanges(changesRequest);
                Console.WriteLine($"Detailed changes saved to: {detailedChanges.Path}");
            }
            catch (ApiException apiEx)
            {
                Console.WriteLine($"API error: {apiEx.ErrorCode} - {apiEx.Message}");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Unexpected error: {ex.Message}");
            }
        }
    }
}

curl -X POST "https://api.groupdocs.cloud/v1.0/oauth2/token" \
     -H "Content-Type: application/json" \
     -d '{"client_id":"YOUR_CLIENT_ID","client_secret":"YOUR_CLIENT_SECRET"}'

curl -X PUT "https://api.groupdocs.cloud/v1.0/storage/file?path=input/source.xlsx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -T "./source.xlsx"

curl -X PUT "https://api.groupdocs.cloud/v1.0/storage/file?path=input/target.xlsx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -T "./target.xlsx"

curl -X POST "https://api.groupdocs.cloud/v1.0/comparison/compare" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     -d '{
           "source_file": {"file_path":"input/source.xlsx"},
           "target_files": [{"file_path":"input/target.xlsx"}],
           "output_path":"output/diff_result.xlsx",
           "settings": {
               "show_deleted_content": true,
               "show_inserted_content": true,
               "show_style_changes": true,
               "generate_summary_page": true
           }
         }'

curl -X GET "https://api.groupdocs.cloud/v1.0/storage/file?path=output/diff_result.xlsx" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -o diff_result.xlsx